Abstract  Description  Claims  Search report  Cited references 

US7268251B   [0005] 
US3642877A   [0007] 
US7078560B   [0010] 
US20120123147A1   [0011] 
US8186871B   [0033]  [0056] 
WO2011107683A   [0033] 
WO2016156320A   [0033] 
US20120123148A   [0036]  [0054]  [0057]